OISF Suricata up to 6.0.19/7.0.5 HTTP/2 allocation of resources

Summaryinfo

A vulnerability marked as critical has been reported in OISF Suricata up to 6.0.19/7.0.5. This affects an unknown part of the component HTTP2 Handler. The manipulation leads to allocation of resources. This vulnerability is listed as CVE-2024-38535. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OISF Suricata up to 6.0.19/7.0.5. This issue affects an unknown code of the component HTTP2 Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Suricata can run out of memory when parsing crafted HTTP/2 traffic. Upgrade to 6.0.20 or 7.0.6.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-38535 since 06/18/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 6.0.20 or 7.0.6 eliminates this vulnerability. Applying the patch 62d5cac1b8483d5f9d2b79833a4e59f5d80129b7 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• OISF

Name

• Suricata

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 6.0.17
• 6.0.18
• 6.0.19
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5

License

• open-source

Website

• Product: https://github.com/OISF/suricata/

CPE 2.3info

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CPE 2.2info

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